Every change the tracker has found, newest first. It covers ARIN from 2008-12-01, the RIPE NCC from 2010-04-23, APNIC from 2008-02-15, LACNIC from 2012-06-29 and AFRINIC from 2012-10-03.
Transfer: XServ AG (RIPE NCC) to Nessus GmbH (RIPE NCC)
From
XServ AG RIPE NCC
To
Nessus GmbH RIPE NCC
Inventory
No effect on RIPE NCC applicant inventory
The RIPE NCC's transfer log records a transfer from XServ AG (RIPE NCC) to Nessus GmbH (RIPE NCC) on 2026-11-09 19:00 UTC. The registration changed hands; it is not a new allocation from the RIPE NCC.
Evidence (2) · classifier 1.4.0,
Transfer logTransfer log: RESOURCE_TRANSFER on 2026-11-09 19:00 UTC, XServ AG (RIPE NCC) to Nessus GmbH (RIPE NCC); resources moved: 185.197.181.0/24source · retrieved
BeforeRIPE NCC delegated statistics 2026-11-08 (produced 2026-11-08T22:59:59+00:00), before the change: allocated (dated 2020-10-01)source · retrieved
2020-10-01RIPE NCC+ RegisteredApparent reissuance of previously removed resourceStrong inference
Statistics
185.197.181.0/24 available on 2020-09-30, allocated on 2020-10-01
Inventory
Likely issued from RIPE NCC-controlled inventory
No transfer record matches. The RIPE NCC's statistics show it available on 2020-09-30 and allocated (dated 2020-10-01) on 2020-10-01. The tracker saw this range released from hold on 2020-05-02 (185.197.180.0/22), so it appears to have been issued again from the RIPE NCC's pool.
Evidence (3) · classifier 1.4.0,
StatisticsFound by comparing the RIPE NCC's daily statistics: 185.197.181.0/24 available on 2020-09-30, allocated on 2020-10-01source · retrieved
BeforeRIPE NCC delegated statistics 2020-09-30 (produced 2020-09-30T21:59:59+00:00), before the change: availablesource · retrieved
AfterRIPE NCC delegated statistics 2020-10-01 (produced 2020-10-01T21:59:59+00:00), after the change: allocated (dated 2020-10-01)source · retrieved
Classification history for this change (4 versions)
Every record in the ARIN, RIPE NCC, APNIC, LACNIC and AFRINIC transfer logs that moved any part of this IPv4 range (ARIN's from 2009, the RIPE NCC's from 2012, APNIC's from 2010, LACNIC's from 2016, AFRINIC's from 2018). A transfer between two registries is in both logs.
RDAP lookups
Looked up
Why
Registry
Handle
Organization
Status
Last changed
After 24 hours
RIPE NCC
185.197.181.0 - 185.197.181.255
mnt-li-xservag-1
active
2026-11-10
First seen
RIPE NCC
185.197.181.0 - 185.197.181.255
NESSUS-AT-MNT
active
2026-11-09
Organization-level details only; contact details are never kept. RDAP shows the registration when it was looked up, not in the past.